3 papers
hep-ex2025
Observation of the -annihilation process and measurement of in decays
BESIII Collaboration, M. Ablikim, M. N. Achasov +650
We present the first amplitude analysis and branching fraction measurement of the decay , using collision data collected with the BESIII detector…
hep-ex2023
Measurement of the absolute branching fraction of the three-body decay and search for , and
BESIII Collaboration, M. Ablikim, M. N. Achasov +611
The Cabbibo-favored decay is studied for the first time using 6.1 fb of collision data at center-of-mass energies between 4.600 and 4.…
hep-ex2023
Observation of the Singly Cabibbo-Suppressed Decay
BESIII Collaboration, M. Ablikim, M. N. Achasov +616
The singly Cabibbo-suppressed decay is observed for the first time with a statistical significance of by using 4.5 fb of colli…